Home / 3,883.31-5,358.94-2,114.90

Finding the Fourth Proportional to 3,883.31, 5,358.94 and 2,114.90

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Solution

The fourth proportional to 3,883.31, 5,358.94 and 2,114.90 is: 2,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.31 : 5,358.94 = 2,114.90 : x
  2. Step 2: Convert to fraction form
    3,883.31/5,358.94 = 2,114.90/x
  3. Step 3: Cross multiply
    3,883.31x = 5,358.94 × 2,114.90
  4. Step 4: Simplify right side
    3,883.31x = 11,333,590.12
  5. Step 5: Solve for x
    x = 11,333,590.12/3,883.31
  6. Step 6: Final answer
    x = 2,918.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.